Which rock is formed form the cooling of volcanic ash on Earth's surface?

Rocks that form from colling magma inside Earth?

Any rock that forms from another rock as a result of changes in heat or pressure (or both) is a:

This is a natural solid that is made of one or more minerals.

This is the continuous process of rock changing from one type to another.

What type of rock might contain evidence of past life?

Which of the following lists the steps an igneous rock undergoes in order to become a sedimentary rock, in the correct order?

Limestone is a sedimentary rock. During the rock cycle, limestone is changed into marble, a metamorphic rock. The processes that act on limestone and change it into marble are

According to the diagram, what process is shown by letter A?

According to the diagram, what process is shown by letter B?

If a lot of heat is applied to a rock, it will turn into